
from geometria import Geometria
from rectangulo import Rectangulo
from circulo import Circulo
from triangulo import Triangulo

def main():
    geo = Geometria() 
    rect = Rectangulo(3,4)
    triangulo = Triangulo(3,6)
    geo = rect   
    print "Area = ", geo.area()
    geo = triangulo  # una vez que 
    print "Area = ", geo.area()

if __name__ == '__main__':
    main()
